1918 National Highway Cars TWELVE & SIX CYLINDER Models Airplane Type Motor Folded: 4.5″x5.5″ Open: 9″x5.5 Back cover
1918 National Highway Cars TWELVE & SIX CYLINDER Models Airplane Type Motor Folded: 4.5″x5.5″ Open: 9″x5.5 Front cover
1918 National Highway Cars TWELVE & SIX CYLINDER Models Airplane Type Motor Open: 9″x5.5 pages 10 & 11